Re: [PATCH 2/4] Drivers: hv: vmbus: avoid wait_for_completion() on crash

2016-02-15 Thread Radim Krcmar
2016-02-12 16:42+0100, Vitaly Kuznetsov: > wait_for_completion() may sleep, it enables interrupts and this > is something we really want to avoid on crashes because interrupt > handlers can cause other crashes. Switch to the recently introduced > vmbus_wait_for_unload() doing busy wait instead. (T

[PATCH 2/4] Drivers: hv: vmbus: avoid wait_for_completion() on crash

2016-02-12 Thread Vitaly Kuznetsov
wait_for_completion() may sleep, it enables interrupts and this is something we really want to avoid on crashes because interrupt handlers can cause other crashes. Switch to the recently introduced vmbus_wait_for_unload() doing busy wait instead. Reported-by: Radim Krcmar Signed-off-by: Vitaly Ku